BA7649 Ver la hoja de datos (PDF) - ROHM Semiconductor
Número de pieza
componentes Descripción
Lista de partido
BA7649 Datasheet PDF : 5 Pages
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Multimedia ICs
•Block diagram
14 13 12 11 10 9
8
Logic
1
2
3
4
5
6
7
BA7649A / BA7649AF
•Truth table
CTLA
CTLB
L (OPEN) L (OPEN)
L (OPEN)
H
H
L (OPEN)
H
H
∗
∗
∗ Either "L (open)" or "H".
CTLC
L (OPEN)
L (OPEN)
L (OPEN)
L (OPEN)
H
OUT
IN1
IN2
IN3
IN4
MUTE (IN5)
•Equivalent circuits
CLAMP INPUT
IN Input clamp voltage 2.1V (VCC = 5V, Typ.)
Input bias current 1µA [Typ.]
Input impedance over 1MΩ
D1
D2
Vcc
Q1 R2
100
Q2
0.8µA
100µA
OUTPUT
Vcc
Q1
D1
2mA
D2
OUT
Output impedance 20Ω [Typ.]
Output DC voltage 0.55V (VCC = 5V, Typ.)
CTLA / CTLB
Vcc
R4 20k
CTLA / B
D2
R1
R2
Q3
100
50k
R3 34k
CTLC
Vcc
R4 30k
CTLC
D2
R1
R2
Q3
100
45k
R3 29k
2
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